/*
 * Copyright 2013-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.bootstrap.support;

import org.springframework.boot.origin.Origin;
import org.springframework.boot.origin.OriginLookup;
import org.springframework.core.env.CompositePropertySource;
import org.springframework.core.env.PropertySource;

public class OriginTrackedCompositePropertySource extends CompositePropertySource implements OriginLookup<String> {

    /**
     * Create a new {@code CompositePropertySource}.
     *
     * @param name the name of the property source
     */
    public OriginTrackedCompositePropertySource(String name) {
        super(name);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Origin getOrigin(String name) {
        for (PropertySource<?> propertySource : getPropertySources()) {
            if (propertySource instanceof OriginLookup) {
                OriginLookup lookup = (OriginLookup) propertySource;
                Origin origin = lookup.getOrigin(name);
                if (origin != null) {
                    return origin;
                }
            }
        }
        return null;
    }

}
